ExpressionLocation

java.lang.Object
- net.sf.saxon.expr.ExpressionLocation

All Implemented Interfaces:

java.io.Serializable, javax.xml.transform.SourceLocator, LocationProvider, SaxonLocator, org.xml.sax.Locator
```
public class ExpressionLocation
extends java.lang.Object
implements SaxonLocator, java.io.Serializable
```
Class to hold details of the location of an expression, of an error in a source file, etc.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`ExpressionLocation()`	Create an ExpressionLocation
`ExpressionLocation(java.lang.String systemId, int lineNumber, int columnNumber)`	Create an ExpressionLocation corresponding to a given module, line number, and column number
`ExpressionLocation(javax.xml.transform.SourceLocator loc)`	Create an ExpressionLocation, taking the data from a supplied JAXP SourceLocator
`ExpressionLocation(LocationProvider provider, long locationId)`	Create an ExpressionLocation, taking the data from a supplied locationId along with a LocationProvider to interpret its meaning

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getColumnNumber()`	Get the column number
`int`	`getColumnNumber(long locationId)`	Get the column number within the document or module containing a particular location
`int`	`getLineNumber()`	Get the line number
`int`	`getLineNumber(long locationId)`	Get the line number corresponding to a given location Id
`java.lang.String`	`getPublicId()`	Get the Public ID
`static SaxonLocator`	`getSourceLocator(long locationId, LocationProvider locationProvider)`	Construct an object holding location information for a validation error message
`java.lang.String`	`getSystemId()`	Get the system ID (the module URI)
`java.lang.String`	`getSystemId(long locationId)`	Get the system Id corresponding to a given location Id
`static ExpressionLocation`	`makeFromSax(org.xml.sax.Locator loc)`	Create an ExpressionLocation, taking the data from a supplied SAX Locator
`void`	`setColumnNumber(int columnNumber)`	Set the column number
`void`	`setLineNumber(int lineNumber)`	Set the line number
`void`	`setSystemId(java.lang.String systemId)`	Set the systemId (the module URI)
`static java.lang.String`	`truncateURI(java.lang.String uri)`	Truncate a URI to its last component

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ExpressionLocation
```
public ExpressionLocation()
```
    Create an ExpressionLocation
  - ExpressionLocation
```
public ExpressionLocation(javax.xml.transform.SourceLocator loc)
```
    Create an ExpressionLocation, taking the data from a supplied JAXP SourceLocator
    
    Parameters:
    
    loc - the JAXP SourceLocator
  - ExpressionLocation
```
public ExpressionLocation(LocationProvider provider,
                          long locationId)
```
    Create an ExpressionLocation, taking the data from a supplied locationId along with a LocationProvider to interpret its meaning
    
    Parameters:
    
    provider - the LocationProvider
    
    locationId - the locationId
  - ExpressionLocation
```
public ExpressionLocation(java.lang.String systemId,
                          int lineNumber,
                          int columnNumber)
```
    Create an ExpressionLocation corresponding to a given module, line number, and column number
    
    Parameters:
    
    systemId - the module URI
    
    lineNumber - the line number
    
    columnNumber - the column number
- Method Detail
  - makeFromSax
```
public static ExpressionLocation makeFromSax(org.xml.sax.Locator loc)
```
    Create an ExpressionLocation, taking the data from a supplied SAX Locator
    
    Parameters:
    
    loc - the SAX Locator
  - getSystemId
```
public java.lang.String getSystemId()
```
    Get the system ID (the module URI)
    
    Specified by:
    
    getSystemId in interface org.xml.sax.Locator
    
    Specified by:
    
    getSystemId in interface javax.xml.transform.SourceLocator
    
    Returns:
    
    the system ID
  - getPublicId
```
public java.lang.String getPublicId()
```
    Get the Public ID
    
    Specified by:
    
    getPublicId in interface org.xml.sax.Locator
    
    Specified by:
    
    getPublicId in interface javax.xml.transform.SourceLocator
    
    Returns:
    
    always null in this implementation
  - getLineNumber
```
public int getLineNumber()
```
    Get the line number
    
    Specified by:
    
    getLineNumber in interface org.xml.sax.Locator
    
    Specified by:
    
    getLineNumber in interface javax.xml.transform.SourceLocator
    
    Returns:
    
    the line number
  - getColumnNumber
```
public int getColumnNumber()
```
    Get the column number
    
    Specified by:
    
    getColumnNumber in interface org.xml.sax.Locator
    
    Specified by:
    
    getColumnNumber in interface javax.xml.transform.SourceLocator
    
    Returns:
    
    the column number
  - setSystemId
```
public void setSystemId(java.lang.String systemId)
```
    Set the systemId (the module URI)
    
    Parameters:
    
    systemId - the systemId
  - setLineNumber
```
public void setLineNumber(int lineNumber)
```
    Set the line number
    
    Parameters:
    
    lineNumber - the line number within the module
  - setColumnNumber
```
public void setColumnNumber(int columnNumber)
```
    Set the column number
    
    Parameters:
    
    columnNumber - the column number
  - getSystemId
```
public java.lang.String getSystemId(long locationId)
```
    Get the system Id corresponding to a given location Id
    
    Specified by:
    
    getSystemId in interface LocationProvider
    
    Parameters:
    
    locationId - the location Id
    
    Returns:
    
    the system Id
  - getLineNumber
```
public int getLineNumber(long locationId)
```
    Get the line number corresponding to a given location Id
    
    Specified by:
    
    getLineNumber in interface LocationProvider
    
    Parameters:
    
    locationId - the location Id
    
    Returns:
    
    the line number
  - getColumnNumber
```
public int getColumnNumber(long locationId)
```
    Description copied from interface: LocationProvider
    
    Get the column number within the document or module containing a particular location
    
    Specified by:
    
    getColumnNumber in interface LocationProvider
    
    Parameters:
    
    locationId - identifier of the location in question (as passed down the Receiver pipeline)
    
    Returns:
    
    the column number within the document or module, or -1 if this is not available
  - getSourceLocator
```
public static SaxonLocator getSourceLocator(long locationId,
                                            LocationProvider locationProvider)
```
    Construct an object holding location information for a validation error message
    
    Parameters:
    
    locationId - The locationId as supplied with an event such as startElement or attribute
    
    locationProvider - The object that understands how to interpret the locationId
    
    Returns:
    
    a SaxonLocator containing the location information
  - truncateURI
```
public static java.lang.String truncateURI(java.lang.String uri)
```
    Truncate a URI to its last component
    
    Parameters:
    
    uri - the URI to be truncated
    
    Returns:
    
    the last component of the supplied URI

Class ExpressionLocation

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ExpressionLocation

ExpressionLocation

ExpressionLocation

ExpressionLocation

Method Detail

makeFromSax

getSystemId

getPublicId

getLineNumber

getColumnNumber

setSystemId

setLineNumber

setColumnNumber

getSystemId

getLineNumber

getColumnNumber

getSourceLocator

truncateURI